Surefire Resources NL (ASX:SRN) shares were trading about 5% higher intra-day at 2.2 cents after intersecting extensive quartz-porphyry, sulphides and visible gold from its recently completed reverse circulation (RC) drilling program at the Yidby Gold Project in Western Australia.
The Yidby Gold Project is emerging as a large gold mineralised system and covers 114 square kilometres of the southern portion of the gold-producing Yalgoo-Singleton Greenstone belt, which hosts some multimillion-ounce gold deposits.
The Yidby Gold Project gold mine district.
Surefire’s latest drilling was aimed at targeting extensions to the existing gold mineralised intersections and to test structural targets generated from the company’s magnetic and gravity data.
A total of 25 RC holes were completed to variable depths of up to 288 metres, for a total of 3,381 metres.
A total of 845 composite samples were collected and have been submitted for gold analysis and assay by Nagrom Laboratories Perth.
Intersections of quartz-porphyry were noted in all drill holes, often with visible sulphides, and in places, visible gold.
Example of quartz-porphyry intersects.
Surefire managing director Paul Burton said: “This was a very successful drilling program with the gold hosting quartz-porphyry intersected in all holes indicating this to be an extensive gold mineralised system.
“We look forward to reporting the results of this program, and the leach test work underway”.
The emerging Yidby Gold System
The mineralised system intersected to date is extensive and now covers over three kilometres in a northwest-southeast trending strike length with gold intersections at the Yidby, Fender, and Marshall targets (see Figure 3).
Figure 3 - Yidby Gold Project plan of drilling and mobile metal ion (MMI) geochemistry and ground magnetometer readings.
The gold mineralised system is quartz-porphyry within an assemblage of mafic and ultramafic rocks above a large porphyry system.
This is very similar to that seen at the Mt Gibson gold mine (2.75MOz) 30 kilometres to the south.
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